Add path to zpool in crontab, as /sbin/ is not on $PATH
Add refspec to push command of the lick script.

This is needed in later version of git (1.8+) if upstream is not set
Fix code for not creating duplicate snapshots
Removed semicolon from lick script
lick script - add every vm as a remote, not only those we are pushing to
Remove unused imports from lick
The lick script now deletes snapshosts that are older than 2 weeks, and
have a SHA as their name-label.

This stops us getting a ridiculous number of snapshots building up
Specify to hude stdout, and running once to fabric in lick script